BR9910802A - Processo e dispositivo para o processamento de dados - Google Patents
Processo e dispositivo para o processamento de dadosInfo
- Publication number
- BR9910802A BR9910802A BR9910802-0A BR9910802A BR9910802A BR 9910802 A BR9910802 A BR 9910802A BR 9910802 A BR9910802 A BR 9910802A BR 9910802 A BR9910802 A BR 9910802A
- Authority
- BR
- Brazil
- Prior art keywords
- encoding
- decoding
- data processing
- steps
- data
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
- G06F21/755—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation with measures against power attack
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
- G06F7/723—Modular exponentiation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/72—Indexing scheme relating to groups G06F7/72 - G06F7/729
- G06F2207/7219—Countermeasures against side channel or fault attacks
- G06F2207/7223—Randomisation as countermeasure against side channel attacks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/72—Indexing scheme relating to groups G06F7/72 - G06F7/729
- G06F2207/7219—Countermeasures against side channel or fault attacks
- G06F2207/7266—Hardware adaptation, e.g. dual rail logic; calculate add and double simultaneously
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
- G06F2211/008—Public Key, Asymmetric Key, Asymmetric Encryption
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Storage Device Security (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Patente de Invenção: <B>"PROCESSO E DISPOSITIVO PARA O PROCESSAMENTO DE DADOS"<D>. é previsto um processo para codificar e/ou decodificar dados, no qual os dados para a codificação ou decodificação são previstos em uma etapa de codificação ou de decodificação, que é escolhida de várias etapas de codificação ou de decodificação alternativas equivalentes, e/ou consiste de várias etapas parciais a serem processadas em seq³ência, onde a etapa de codificação ou de decodificação escolhida é escolhida aleatoriamente e/ou as etapas de codificação ou de decodificação são alteradas aleatoriamente.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19824163 | 1998-05-29 | ||
DE19828936A DE19828936A1 (de) | 1998-05-29 | 1998-06-29 | Verfahren und Vorrichtung zum Verarbeiten von Daten |
PCT/DE1999/001461 WO1999063419A1 (de) | 1998-05-29 | 1999-05-14 | Verfahren und vorrichtung zum verarbeiten von daten |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9910802A true BR9910802A (pt) | 2001-02-13 |
Family
ID=26046521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9910802-0A BR9910802A (pt) | 1998-05-29 | 1999-05-14 | Processo e dispositivo para o processamento de dados |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1080400B1 (pt) |
JP (1) | JP2002517787A (pt) |
CN (1) | CN100530025C (pt) |
AT (1) | ATE227445T1 (pt) |
BR (1) | BR9910802A (pt) |
WO (1) | WO1999063419A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7587044B2 (en) | 1998-01-02 | 2009-09-08 | Cryptography Research, Inc. | Differential power analysis method and apparatus |
CA2316227C (en) | 1998-01-02 | 2009-08-11 | Cryptography Research, Inc. | Leak-resistant cryptographic method and apparatus |
EP1090480B1 (en) | 1998-06-03 | 2019-01-09 | Cryptography Research, Inc. | Improved des and other cryptographic processes with leak minimization for smartcards and other cryptosystems |
JP4216475B2 (ja) | 1998-07-02 | 2009-01-28 | クリプターグラフィー リサーチ インコーポレイテッド | 漏洩抵抗力を有する暗号索引付き鍵の更新方法及びデバイス |
JP2000305453A (ja) * | 1999-04-21 | 2000-11-02 | Nec Corp | 暗号化装置,復号装置,および暗号化・復号装置 |
FR2804524B1 (fr) * | 2000-01-31 | 2002-04-19 | Oberthur Card Systems Sas | Procede d'execution d'un protocole cryptographique entre deux entites electroniques |
US7949883B2 (en) * | 2004-06-08 | 2011-05-24 | Hrl Laboratories, Llc | Cryptographic CPU architecture with random instruction masking to thwart differential power analysis |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2638869B1 (fr) * | 1988-11-10 | 1990-12-21 | Sgs Thomson Microelectronics | Dispositif de securite contre la detection non autorisee de donnees protegees |
US5404402A (en) * | 1993-12-21 | 1995-04-04 | Gi Corporation | Clock frequency modulation for secure microprocessors |
US5533123A (en) * | 1994-06-28 | 1996-07-02 | National Semiconductor Corporation | Programmable distributed personal security |
DE19523466C1 (de) * | 1995-06-28 | 1997-04-03 | Informatikzentrum Der Sparkass | Verfahren zur gegenseitigen Authentifikation von elektronischen Partnern mit einem Rechnersystem |
FR2745099B1 (fr) * | 1996-02-19 | 1998-03-27 | Sgs Thomson Microelectronics | Procede de sequencement d'un circuit integre |
-
1999
- 1999-05-14 EP EP99934500A patent/EP1080400B1/de not_active Expired - Lifetime
- 1999-05-14 WO PCT/DE1999/001461 patent/WO1999063419A1/de not_active Application Discontinuation
- 1999-05-14 JP JP2000552567A patent/JP2002517787A/ja not_active Withdrawn
- 1999-05-14 BR BR9910802-0A patent/BR9910802A/pt not_active IP Right Cessation
- 1999-05-14 AT AT99934500T patent/ATE227445T1/de not_active IP Right Cessation
- 1999-05-14 CN CNB998067830A patent/CN100530025C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1999063419A1 (de) | 1999-12-09 |
CN1303493A (zh) | 2001-07-11 |
JP2002517787A (ja) | 2002-06-18 |
EP1080400A1 (de) | 2001-03-07 |
CN100530025C (zh) | 2009-08-19 |
EP1080400B1 (de) | 2002-11-06 |
ATE227445T1 (de) | 2002-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A, 7A E 8A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1913 DE 04/09/2007. |